Matthew Gray Nelson (born September 20, 1967) is an American singer-songwriter, musician and international multi-platinum recording artist. He is the son of actress Kristin Harmon and the late teen idol Ricky Nelson. Along with his twin brother Gunnar, he has been a member of Nelson since 1990. Their single, "(Can't Live Without Your) Love and Affection" was a #1 hit in the U.S. Billboard Hot 100 chart in September 1990.